Microeconomics: Principles, Applications, and Tools (8th Edition)

Published by Prentice Hall
ISBN 10: 0-13294-886-9
ISBN 13: 978-0-13294-886-9

Chapter 2 - The Key Principles of Economics - Exercises - 2.1 The Principle of Opportunity Cost - Page 44: 1.9

Answer

Carlos goes to the ATM more frequently in order to earn more interest by leaving as much money as possible in his account.

Work Step by Step

For Art, the opportunity cost of frequent visits to the ATM exceeds the amount of interest he would earn by making more frequent visits to the ATM.
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